Ye Chen, a former business legend, was willing to retire and become a full-time dad to save his daughter. When his rich ex-wife returns with a billion-dollar contract, and when his former rivals set up shocking traps, he prepares milk powder and changes diapers for his daughter while using stock market K-lines to teach his enemies how to behave. Until one day, the global consortium tremblingly discovered that the mysterious trader who caused Wall Street to crash was grabbing red envelopes from the kindergarten parent group.