The mentor-mentee pair of Bobby Au-Yeung and Moses Chan are widely lauded in the banking industry. However, to advance his career, Moses purposefully transfers Bobby to a foreign office. Unfortunately, Bobby's plane crashes on the way there. When he awakens, he discovers that he is now in the body of an post-'90s youth, James Ng, who lives with his aunt, Maggie Siu. Bobby watches as Moses flirts with his wife, Kristal Tin, and wealthy heiress Ali Lee. As Bobby tries to figure out how to recover what he had lost, he meets a sixty year old man, Louis Cheung. The two click instantly. It turns out that Louis experienced the same fate of switching bodies. The two of them investigate how they can return to their own bodies. When Bobby discovers that James is actually the banker Benz Hui's illegitimate son, he and Louis plan a revenge scheme. But it unexpectedly causes Moses to fall from a building and suffer serious injuries. Bobby finally realizes that he misunderstood Moses. The three of them try to get close to Benz and his family. Bobby enters the bank and starts working from the bottom. Moses ruins the engagement between Ali and his friend Sammy Leung. Louis drives a wedge between Benz's second daughter Elena Kong and her husband Eddie Kwan. As this cross-generation battle gradually spreads, it builds a unexpected new world...