Llsa's marriage to Victor was initially a secret,since he was a Czech Resistance leader,so the German's wouldn't have any leverage against him.She heard her husband had died in a Concentration Camp,so in her grief,she met Rick Blaine at the La bella Royale,fell in love and had an affair.Then shockingly finds out her husband is indeed alive,has escaped, and needs her,so she just left without proper explaination.
Victor asked Llsa about the affair when he noticed the reaction between Rick and Llsa,out of guilt she wasn't responding in kind when he said he loved her,but she denied everything. So he approached Rick and told him he doesn't fault or blame either one of them for the affair given the circumstances,but he loved his wife very much.Both Rick and Victor knew who she really loved.
Two German Couriers were killed in the desert,but the murderer and his accomplices were reported to have been headed to Casablanca, Rick winds up with these "letters of transit" and ultimately gives them to Llsa and Victor for a safe passage on the Clipper.
When the Bulgarian bride approached Rick about their plight of needing two visas but had no money, Rick arranged for her husband to win just enough for their travels.
When a customer asked Carl the waiter if the cafe was honest, he replied:"As honest as the day is long."
Rick was a man fighting against who he was, but had an understanding of both sides and in the end fought for the underdog.
Most Misquoted Scene labeled as 'Play it again, Sam!' in reference to song: "As Time Goes By"