An accident forces sharp-tongued Liang Po Po from Singapore & hot-blooded security guard Ah Beng from Malaysia to team up on a cross-border rescue mission. Though they clash at first, their fight against an organ trafficking syndicate turns mistrust into trust, and quarrels into partnership. Despite not being Xiao Yun`s "true father", Ah Beng is willing to risk everything for her. And Liang Po Po, once misunderstood, quietly becomes an unlikely hero. This mismatched duo unexpectedly becomes the "Strongest Duo of Singapore and Malaysia."