The Locked Affair

After returning from studying abroad, Song Wan takes a false identity to infiltrate the Lu family in revenge for her family's massacre. She becomes the tutor for the reckless young warlord Lu Ting, maneuvering between him and his adopted son, Lu Yun, to uncover the truth by exploiting their brotherly conflict. Through their intense game of wits, they move from sharp opposition to falling for each other. While Lu Ting appears carefree, he secretly lays traps and saves Song Wan multiple times when she is in danger, causing their relationship to heat up rapidly as the truth from years ago begins to surface.