A Shot Through the Wall offers a third alternative on an issue traditionally seen literally in black-and-white terms. Casting a lead of Chinese descent couldn't be more natural for writer/director Aimee Long, but there's more to this decision than just ethnic identification; accordingly, police officer Mike Tan (Kenny Leu) is not limited by his cultural heritage: his partner who may or may not also be his best/only friend, Ryan Doheney (Derek Goh), is white; his fiancée Candace Walker (Ciara Renée) is biracial; and his superior and future father-in-law D.C. Walker (Clifton Davis) is African-Ame...