Help...My Wife is a Spy

Halia Feng was a simple cadet, until one day..."Miss Feng, do you remember the test you did before you were transferred here?""Yes, it was a memory test. How did I go?""You did really well! That's why I'm here to tell you that you've been selected for a special mission.""...my team has recently discovered a way to transfer memories from one person to another and we want to transfer the victim's memories to you."All of a sudden, Halia was thrown undercover with another person's memories, hunting down one of the city's most dangerous serial killers.Could it be the handsome, charming young doctor?Perhaps, it was the cold, ruthless, playboy gangster?Or...it could be someone entirely different...