My Kids' Daddy is a Secret Billionaire Ep. 4

Twenty-one-year-old Lisbeth got pregnant after a one-night stand. Desperate for affection, Lisbeth decided to keep the twins and raise them. But the unexpected death of the twins was a constant pain in Lisbeth's heart. Because of her boss's difficulties, Lisbeth decided to quickly find a man to marry. But then she realized that the man she was married to was actually rich? And the Twins did not die.