It's January. Gina and her mother go basking in the hot Mexican sun and Juliette wants to do the same. The problem is that things never go quite as our favorite heroine hopes! Especially since this time, Gina confides in him a secret that will jeopardize their precious friendship. To top it off, a threat seems to follow them step by step... Through this new adventure, you will have the opportunity to travel through Mexico City and discover.