When a wounded stranger collapses in his clinic one stormy night, Santa never expects him to be the city's most dangerous man - Perth Tanapon. Saving Perth's life drags Santa into a violent world of crime, loyalty and forbidden affection. Perth doesn't believe in love - not in his world of blood and power - but Santa's light slowly breaks through the darkness. Amid ambushes, gunfire and family wars, their bond becomes their greatest strength and weakness.