science

Secret Mother

Secret Mother is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Secret Mother rather than just read about it. In short: Secret Mother (Korean: 시크릿 마더; RR: Sikeurit madeo) is a 2018 South Korean television series starring Song Yoon-ah and Kim So-yeon with Kim Tae-woo and Song Jae-rim. The series aired four consecutive episodes on Saturday on SBS TV from 8:55 to 11:15 p.m.

Key takeaways

Secret Mother belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Secret Mother to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Secret Mother from memory before moving on to harder problems.

Reference excerpt

Secret Mother (Korean: 시크릿 마더; RR: Sikeurit madeo) is a 2018 South Korean television series starring Song Yoon-ah and Kim So-yeon with Kim Tae-woo and Song Jae-rim. The series aired four consecutive episodes on Saturday on SBS TV from 8:55 to 11:15 p.m. (KST) starting from May 12, 2018.

Synopsis Story of a mysterious surrogate mother who enters the home of a woman holding the secret behind her child's death.

Cast

Main Song Yoon-ah as Kim Yoon-jin An ex-psychiatrist who forgoes her job to become a full-time housewife after the death of her daughter. She was not only a successful doctor, but she became the head of the board of directors to her father's medical foundation. She is extremely dedicated to her son's education, and hires Kim Lisa to ensure her son's admission to a prestigious university. Kim So-yeon as Kim Eun-young (Lisa Kim) A mysterious "surrogate mother" who oversees students' academic endeavors, and help them to achieve the path of an elite. In reality, she takes on the alias of "Kim Lisa" to find someone who was like a sister to her when they grew up in an orphanage. Kim Tae-woo as Han Jae-yeol Kim Yoon-jin's husband. An elite police chief who graduated from the police academy with honors. Song Jae-rim as Ha Jung-wan A homicide detective who is blunt and rash. He is the only person who believes in Kim Yoon-jin's doubts about her daughter's death and helps her find the truth behind it.

Supporting Cha Hwa-yeon as Park Sun-ja Yoon-jin's mother-in-law. Director of a hospital. Seo Young-hee as Kang Hye-kyung. A "Gangnam Mom" who is in constant pursuit of culture and perfection. Kim Jae-hwa as Myung Hwa-sook A "Devil Mom" who only made it to Gangnam after hitting the jackpot with stocks, and whose goal is putting her child in an international school. Oh Yeon-ah as Song Ji-ae A "Desire Mom" who outshines her own child, and wants to raise them to become the best in the world. Min Sung-wook as Jung Suk-hwan A senior executive at a large company. Hye-kyung's husband. Ahn Sang-woo as Yoon Seung-soo An officer at Ministry of Land Transportation, who quit his job to become a private investigator. Hwa-sook's ex-husband. Kim Byeong-ok as Lee Byung-hak A renter who owns several buildings. Ji-ae's husband.

Extended Yum Ji-yoon as Han Joo-hee Kim Ye-jun as Han Min-joon, Yoon-jin's son Choi Yoo-ri as Jung Soo-min, Hye-kyung and Suk-hwan's daughter Song Ji-woo as Yoon Ji-ho, Hwa-sook and Seung-soo's son Lee Go-eun as Lee Chae-rin, Ji-ae and Byung-hak's daughter Son Seung-woo as Shin Se-yeon Kwon Do-kyun as Min Tae-hwan Kang Sang-won as Lee Chi-yeol Yeon Min-ji

Original soundtrack

Part 1

Part 2

Part 3

Part 4

Part 5

Part 6

Ratings In the table below, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings. NR denotes that the drama did not rank in the top 20 daily programs on that date. TNmS stop publishing their report from June 2018.

Episodes 21-24 did not air on June 16 due to coverage of the 2018 FIFA World Cup Group D match between Argentina and Iceland.

Awards and nominations

Notes

References

External links Official website Secret Mother at HanCinema

Worked examples

Example 1 — a first encounter with Secret Mother

Start with the simplest possible case. Write down what Secret Mother claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Secret Mother before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Secret Mother ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Secret Mother

In research: Secret Mother appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Secret Mother in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Secret Mother is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2018 South Korean television series debuts, 2018 South Korean television series endings, Fiction about examinations and testing, so understanding it makes those chapters shorter.
In everyday life: Look for Secret Mother outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Secret Mother in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Secret Mother means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Secret Mother out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Secret Mother in simple terms?

Why does Secret Mother matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Secret Mother?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Secret Mother.