Part 4/9:

When engineer Alex enters her life, it's a moment of surprise and joy for Helena. After three long years spent in isolation, she meets a peer for the first time and is immediately drawn to him. Their brief interactions during dinner reveal Alex's cool demeanor, contrasting with Helena's eagerness to engage. As Alex diligently repairs the oxygen system, an unforeseen event unfolds — a kiss leads to a shared intimacy, a moment that solidifies Helena’s emotional connection to him.