The BSSSD travels to Nazi-occupied Paris in 1942, but find themselves surrounded by the Justice Society of America (AKA JSA.) The BSSSD discover a time aberration that threatens the JSA, but the JSA wants nothing to do with them or their help. Nevertheless, the BSSSD force their way into the JSA’s mission to intercept and seize a mysterious package. Sander is desperate to prove that he should be part of the team, but he has a secret that he shares with his former best friend Commander Storm that might make it difficult. Berry Jr is so focused on impressing the JSA, he puts himself and Olive Hashimoto in danger. Meanwhile, Douglas has stepped in as the leader with Andrew gone, but when decisions aren’t being made Heather seems to be the one calling the shots.