After losing his job as a waiter, Katie Franklin accepted the position of caring for a rich Chicago elderly man in order to make a living.In that spacious but empty mansion, she was the only one who was with the old man.Over time, a deep emotion was established between the two people that transcends the master and servant. However, fate is always full of irony.Just after the old man suddenly passed away and left all his inheritance to Katie, she and her husband Adam were involved in a complicated conspiracy - lies, deception, and even murder.The seemingly peaceful life was completely torn apart, and the people she trusted became suspicious one by one. In this confusing whirlpool, Katie must reexamine everyone’s motivations, including the one she is closest to and loved the most.Not only did she want to uncover the truth hidden behind the legacy, but she also had to face the struggle between trust and betrayal, love and fear deep in her heart.Survival became her only belief, but the truth was even more cruel than she thought.