Love Guaranteed(2006)

Love Guaranteed is a romantic comedy series about two bitter workplace rivals forced into an unlikely arrangement. Insurance agents Kwok Fu Keung and Kuk Yeuk Hei simultaneously pitch a "Love Insurance Plan" to their supervisor, who challenges them to test it themselves. The catch: they'll only receive the insurance payout if they marry each other. When their original plan fails, the pair begin spending time together without the pressure of chasing commissions. As they grow closer, genuine feelings develop and they decide to marry. But on their wedding day, Keung mysteriously disappears, throwing everything into question. The series blends humor with emotional stakes as these rivals navigate unexpected love and the complications that follow.