Final answer:
The question asks about a specific narrative event where Sophie seeks help from Agatha to achieve a happy ending and save her life, but without context it's not possible to provide a specific answer.
Step-by-step explanation:
The question appears to reference a specific narrative where Sophie asks Agatha for help to achieve a "happy ending" and to save her life. Without the context of a particular book or story to which this question may pertain, it is not possible to provide a specific answer to what Sophie asked Agatha to do. In general literature and storytelling, this type of request could involve a variety of actions, such as carrying out a task, delivering a message, or intervening in a situation. The theme of characters seeking help for a happy ending or life-saving assistance is common in many narratives, and such requests usually lead to pivotal moments in the plot where the values of friendship, sacrifice, and courage are explored.