Reborn: The K-9 Bodyguard

Police dog Black Tiger is killed in an explosion saving handler Qin Ruoxue. His soul is reborn into delivery guy Zane Shaw, retaining canine smell. Gold-digger Holly Vance scams him, but Zane takes a huge loan on her phone. Zane uses smell to save Daniel Sterling, richest man, from assassination. He's hired as bodyguard for Daniel Sterling's daughter, Susan Sterling. Holly Vance runs into Zane. She humiliates him, unaware creditors seek repayment for her loan.