香港现正经歷新型肺炎肆虐、经济不景的打击，但只要大家同舟共济，相信很快便可走出逆境疫情下各位「被困」在家，缺乏娱乐令生活变得纳闷枯燥，「歌神」许冠杰(Sam)决定「献Sing」，為全港市民打气阿Sam金曲无数，当中不乏励志作品，或许过往曾向失落的你、我、他，注入快乐正能量。这次阿Sam再「开Show」，也希望藉着歌声、音乐，陪伴大家度过这段艰难时刻。

This is a story about a security guard agency and its three agents-Michael, Sam and Ricky. Sam and Ricky are delivering a large sum of money to a bank when a robbery takes place under their nose. after a series of hair-raising about hilarious chases, the agents get their men. With Michael and Sam giving their reward money to Ricky. They live haphazardly ever after.