A Japan-set battle-royale comedy over a vial of sperm is centered around three women on the verge of a nervous breakdown from hearing their biological clock ticking away: a doctor and manager of a sperm bank, Sana Kobayashi, a single mother, Maron Kuribayashi, and an alluring receptionist, Mayumi Kujō. Unknowingly, the three shared a beloved partner and a sperm donor, Makoto, but lost him in a sudden accident. The night of Makoto's funeral they are shocked to discover each other in his room. In a rage of screaming, thrashing, and boasting about their own sexual prowess with Makoto, more fierce emotions erupt once Sana's plan to self-inseminate is exposed, but this leads to unexpected consequences. They affirm their real love for Makoto and reveal his true wishes.
One day, Primma finds herself pregnant with her boyfriend Panu. However, Panu has a bright future and is going abroad to study. Therefore, Primma decided to keep the fact of her pregnancy a secret and runs away to be a single mom. Gunnaree, is a working woman and works as a financial controller. She has always thought of having a baby and so decides to freeze her eggs while they are in optimal condition and wait for the perfect sperm. Sarinta has to survive with her strict politician husband, Poramet, who views societal image and opinion more than anything in the world.